Grellum may move through any sort of undergrowth (such as natural thorns, briars, overgrown areas, and similar terrain) at his normal speed and without taking damage or suffering any other impairment. However, thorns, briars, and overgrown areas that have been magically manipulated to impede motion still affect him.

Down The animal breaks off from combat or otherwise backs down Seek The animal moves into an area and looks around for anything that is obviously alive or animate. Come The animal comes, even if it normally would not do so. Heel The animal follows closely, even to places where it normally wouldn’t go. Fetch The animal goes and gets something. If a specific item isn't pointed out, the animal fetches some random object.